Question

An allele that expresses itself only in the homozygous state is called a:

Options

• Dominant allele

• Dominant trait

• Recessive allele

• Heterozygous allele

Answer 1

A recessive allele can express itself only in the homozygous state (rr). In the heterozygous state (Rr), its expression is masked by the dominant allele, which is expressed in both homozygous and heterozygous conditions.